77,871 people (2024 Census estimate, −2.3% since 2020)
1,038 square miles of land · 75 people per square mile
“Highest” and “lowest” are just order, not grades: a high rank for poverty or hazard losses means more of it. Each figure's source is in its section below.
39 active community water systems list Clinton County in the area they serve, reporting 55,868 people served in all (a system that crosses county lines counts its whole population).
| PLATTSBURGH CITY surface water · local government · NY0900217 | 24,173 served |
| PLATTSBURGH CONSOLIDATED WATER DISTRICT groundwater · local government · NY0900220 | 11,162 served |
| CLINTON CORRECTIONAL FACILITY groundwater · state · NY0904192 | 3,001 served |
| CHAMPLAIN VILLAGE groundwater · local government · NY0900211 | 2,947 served |
| PERU WD surface water · local government · NY0900216 | 2,700 served |
| ROUSES POINT VILLAGE WD surface water · local government · NY0900223 | 2,550 served |
| MORRISONVILLE WATER DISTRICT buys groundwater · local government · NY0900226 | 1,300 served |
| DANNEMORA VILLAGE buys groundwater · local government · NY0900213 | 1,228 served |
Source: U.S. EPA Safe Drinking Water Information System (SDWIS), active community systems, . Look up any system's violations and test results with EPA's search using its ID.
About 129 people were held in Clinton County's jail, in Vera's latest figure (2026). In 2021 it was about 131.
Source: Vera Institute of Justice, Incarceration Trends (built from federal Bureau of Justice Statistics jail surveys). Counties without their own jail, or that share one, may show no figure.
8 school districts have their office in Clinton County. School taxes are usually the largest part of a property tax bill.
Spent $54.7 million — $51.5 million to run schools, about $25,331 per student, plus $1.8 million on buildings and equipment. Money in: $22.7 million local (mostly property tax), $29.4 million state, $4.7 million federal. Long-term debt: $10 million.
Spent $52.3 million — $49.5 million to run schools, about $26,382 per student, plus $1.3 million on buildings and equipment. Money in: $18.1 million local (mostly property tax), $30.9 million state, $4.5 million federal. Long-term debt: $20.5 million.
Spent $50.4 million — $48.5 million to run schools, about $27,964 per student, plus $969,000 on buildings and equipment. Money in: $24.9 million local (mostly property tax), $22.9 million state, $4.7 million federal. Long-term debt: $10.5 million.
Spent $41 million — $36.8 million to run schools, about $24,299 per student, plus $2.2 million on buildings and equipment. Money in: $14.5 million local (mostly property tax), $24 million state, $3.7 million federal. Long-term debt: $2.9 million.
Spent $44.1 million — $31.3 million to run schools, about $25,098 per student, plus $11.3 million on buildings and equipment. Money in: $11.7 million local (mostly property tax), $22 million state, $3.6 million federal. Long-term debt: $5.1 million.
Spent $37.4 million — $35.8 million to run schools, about $29,844 per student, plus $813,000 on buildings and equipment. Money in: $14.5 million local (mostly property tax), $19.8 million state, $5.1 million federal. Long-term debt: $11.6 million.
Spent $26 million — $24.9 million to run schools, about $29,941 per student, plus $549,000 on buildings and equipment. Money in: $7.6 million local (mostly property tax), $18 million state, $2.1 million federal. Long-term debt: $23.8 million.
Spent $12.1 million — $11.5 million to run schools, about $24,428 per student, plus $288,000 on buildings and equipment. Money in: $5.6 million local (mostly property tax), $6 million state, $656,000 federal. Long-term debt: $3.7 million.
Source: U.S. Census Bureau, 2023 Annual Survey of School System Finances. Districts are listed by the county of their main office; some serve neighboring counties too.
Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute), which gathers federal data (CDC, Census, and others); measures cover different recent years. Blank lines aren't reported for small counties.
Overall risk: Relatively Low compared with other U.S. counties. FEMA estimates natural hazards cost Clinton County about $28 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
201 bridges in Clinton County: 83 in good condition, 93 fair, and 25 poor (12.4%). “Poor” means a main part — the deck, the beams, or the supports — is rated 4 or lower on the federal 0–9 scale. It doesn't mean unsafe to drive; unsafe bridges are closed.
| MILITARY TURNPIKE over SARANAC RIVER · built 1992 | 7,926 vehicles a day |
| RTE 374 over MEAD BROOK · built 1970 | 6,690 vehicles a day |
| Military Turnpike over SALMON RIVER · built 1929 | 3,291 vehicles a day |
| RTE I87 over GREAT CHAZY RIVER · built 1960 | 2,431 vehicles a day |
| RTE 11 over GREAT CHAZY RIVER · built 1948 | 2,416 vehicles a day |
| RTE 9B over GREAT CHAZY RIVER · built 1930 | 2,188 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $24.9 million of work in Clinton County in fiscal 2025, about $311 per resident — to the county, cities, schools, hospitals, nonprofits and others.
Source: USAspending.gov, grants by place of performance, fiscal 2025 (Oct. 2024 to Sept. 2025). Search it by county to see each award.
From Grants.gov: posted grants listing county governments as eligible, soonest deadline first; research-only and overseas programs left out; list updated 2026-10-13, refreshed weekly. 62 are open in all. Cities, towns, school districts and nonprofits have their own lists there.
Registration deadlines, early voting and polling places for New York are on the federal site vote.gov, which links to the state's official election office.
The budget, property tax rates, audits, local officials and offices for Clinton County come from the county's own records, which we haven't gathered — not gathered, never hidden. See what a full county site looks like, or ask to have Clinton County built: brayden.ozark@gmail.com.
More of New York: the state government and every county in New York.
Nearby counties: Grand Isle County, VT (20 mi) · Franklin County (32 mi) · Chittenden County, VT (37 mi) · Franklin County, VT (40 mi) · Essex County (45 mi) · Lamoille County, VT (53 mi).